Indigo Bush

Amorpha fruticosa

Plant Description

A perennial deciduous pea-family shrub. Compound hairy leaves with 13-25 leaflets, clusters of dense, upright, showy purple flowers. Young stems are green and hairy, older stems are woody.

Plant Details

Life Forms
ODA Listing
Soil and Moisture Conditions
Suggested Actions
Shade Preference
Mature Height 10-14'
Distribution Grows along the Columbia River
Control Control seed production by repeated cutting. Seek professional assistance for control of false indigo bush.
Reproduction and Spread Floating seed pods disperse along Waterways.
Introduced native to the Great Plain of North America
Look Alikes black locust tree
Impact In the Pacific Northwest False Indigo bush forms dense thickets and crowds out willows in riparian zones. Expensive to remove.
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